The be quiet! Dark Power Pro 13 1300W is the objective winner of this comparison, securing more individual specification victories than its competitor. Its most significant advantage is the inclusion of SATA connectors, which offer a 100% improvement over the Corsair HX1500i. This substantial increase in connectivity provides greater flexibility for users managing complex storage arrays or multiple peripheral devices within a high-end system build.

Users who prioritize extensive peripheral support should choose the be quiet! Dark Power Pro 13 1300W to take advantage of its superior SATA connectivity. Conversely, those focused on budget efficiency should select the Corsair HX1500i, as it holds a 20% advantage in MSRP. Both units offer comparable performance across the remaining technical specifications, allowing buyers to decide based strictly on their specific need for additional connectors versus a lower initial cost.